Inflatable stabilizer



FIG. 1 is a perspective view of an inflatable stabilizer, showing our new design;

FIG. 2 is a top view thereof; the bottom being identical except for the valve shown as dotted and which we are disclaiming;

FIG. 3 is a front view thereof, the back side being a mirror image; and,

FIG. 4 is a side view thereof; the back side being a mirror image.

The broken line showing of a valve is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an inflatable stabilizer, as shown and described. 